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397413432 = 233313141529
BaseRepresentation
bin10111101100000…
…000110000111000
31000200210200202000
4113230000300320
51303214212212
6103233541000
712563646513
oct2754006070
91020720660
10397413432
11194369659
12b1114760
13644471a0
143aacdd7a
1524d521dc
hex17b00c38

397413432 has 64 divisors (see below), whose sum is σ = 1188852000. Its totient is φ = 122280192.

The previous prime is 397413431. The next prime is 397413433. The reversal of 397413432 is 234314793.

It is an interprime number because it is at equal distance from previous prime (397413431) and next prime (397413433).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397413431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67957 + ... + 73572.

Almost surely, 2397413432 is an apocalyptic number.

It is an amenable number.

397413432 is an abundant number, since it is smaller than the sum of its proper divisors (791438568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397413432 is a wasteful number, since it uses less digits than its factorization.

397413432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141557 (or 141547 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 397413432 is about 19935.2309241704. The cubic root of 397413432 is about 735.2146977959.

The spelling of 397413432 in words is "three hundred ninety-seven million, four hundred thirteen thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 104 108 117 156 216 234 312 351 468 702 936 1404 2808 141529 283058 424587 566116 849174 1132232 1273761 1698348 1839877 2547522 3396696 3679754 3821283 5095044 5519631 7359508 7642566 10190088 11039262 14719016 15285132 16558893 22078524 30570264 33117786 44157048 49676679 66235572 99353358 132471144 198706716 397413432