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4197157804 = 227149898493
BaseRepresentation
bin1111101000101011…
…1000101110101100
3101211111200201010001
43322022320232230
532043433022204
61532251354044
7206003152450
oct37212705654
911744621101
104197157804
111864205864
12991752924
1351b722138
142bb5d6660
1519871c4a4
hexfa2b8bac

4197157804 has 12 divisors (see below), whose sum is σ = 8394315664. Its totient is φ = 1798781904.

The previous prime is 4197157801. The next prime is 4197157813. The reversal of 4197157804 is 4087517914.

It is a happy number.

4197157804 is an admirable number.

It is a super-2 number, since 2×41971578042 = 35232267263356204832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4197157801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74949219 + ... + 74949274.

Almost surely, 24197157804 is an apocalyptic number.

It is an amenable number.

4197157804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4197157804 is a wasteful number, since it uses less digits than its factorization.

4197157804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149898504 (or 149898502 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 4197157804 is about 64785.4752548748. The cubic root of 4197157804 is about 1613.0646210063.

The spelling of 4197157804 in words is "four billion, one hundred ninety-seven million, one hundred fifty-seven thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 149898493 299796986 599593972 1049289451 2098578902 4197157804