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40230008 = 2371373757
BaseRepresentation
bin1001100101110…
…1110001111000
32210200220012022
42121131301320
540244330013
63554134012
7665643440
oct231356170
983626168
1040230008
1120788445
1211581308
138447450
1454b3120
1537ea008
hex265dc78

40230008 has 64 divisors (see below), whose sum is σ = 94234560. Its totient is φ = 15676416.

The previous prime is 40229963. The next prime is 40230031. The reversal of 40230008 is 80003204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52766 + ... + 53522.

It is an arithmetic number, because the mean of its divisors is an integer number (1472415).

Almost surely, 240230008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40230008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47117280).

40230008 is an abundant number, since it is smaller than the sum of its proper divisors (54004552).

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

40230008 is a wasteful number, since it uses less digits than its factorization.

40230008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40230008 is about 6342.7129842048. The cubic root of 40230008 is about 342.6494504683.

The spelling of 40230008 in words is "forty million, two hundred thirty thousand, eight".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 73 91 104 146 182 292 364 511 584 728 757 949 1022 1514 1898 2044 3028 3796 4088 5299 6056 6643 7592 9841 10598 13286 19682 21196 26572 39364 42392 53144 55261 68887 78728 110522 137774 221044 275548 386827 442088 551096 718393 773654 1436786 1547308 2873572 3094616 5028751 5747144 10057502 20115004 40230008