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4978924090 = 25771127487
BaseRepresentation
bin1001010001100010…
…00101101000111010
3110211222201112211221
410220301011220322
540144101032330
62142015342254
7234245104450
oct45061055072
913758645757
104978924090
1121255223a8
12b6b52198a
1361468c83a
143533769d0
151e2191b7a
hex128c45a3a

4978924090 has 16 divisors (see below), whose sum is σ = 10242358272. Its totient is φ = 1707059664.

The previous prime is 4978924031. The next prime is 4978924091. The reversal of 4978924090 is 904298794.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4978924091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35563674 + ... + 35563813.

It is an arithmetic number, because the mean of its divisors is an integer number (640147392).

Almost surely, 24978924090 is an apocalyptic number.

4978924090 is an abundant number, since it is smaller than the sum of its proper divisors (5263434182).

4978924090 is a wasteful number, since it uses less digits than its factorization.

4978924090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71127501.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 4978924090 is about 70561.4915516955. The cubic root of 4978924090 is about 1707.5699429786.

The spelling of 4978924090 in words is "four billion, nine hundred seventy-eight million, nine hundred twenty-four thousand, ninety".

Divisors: 1 2 5 7 10 14 35 70 71127487 142254974 355637435 497892409 711274870 995784818 2489462045 4978924090