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3970039700 = 2252113979091
BaseRepresentation
bin1110110010100001…
…1111111110010100
3101020200022220122102
43230220133332110
531112312232300
61453535421232
7200244531524
oct35450377624
911220286572
103970039700
111757a90650
12929684818
134b3661823
14299395684
151838080d5
hexeca1ff94

3970039700 has 72 divisors (see below), whose sum is σ = 9422876064. Its totient is φ = 1439856000.

The previous prime is 3970039681. The next prime is 3970039741. The reversal of 3970039700 is 79300793.

It is a super-2 number, since 2×39700397002 = 31522430439152180000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432155 + ... + 441245.

Almost surely, 23970039700 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 3970039700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4711438032).

3970039700 is an abundant number, since it is smaller than the sum of its proper divisors (5452836364).

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

3970039700 is a wasteful number, since it uses less digits than its factorization.

3970039700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9513 (or 9506 counting only the distinct ones).

The product of its (nonzero) digits is 35721, while the sum is 38.

The square root of 3970039700 is about 63008.2510469859. The cubic root of 3970039700 is about 1583.4278645930.

The spelling of 3970039700 in words is "three billion, nine hundred seventy million, thirty-nine thousand, seven hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 397 550 794 1100 1588 1985 3970 4367 7940 8734 9091 9925 17468 18182 19850 21835 36364 39700 43670 45455 87340 90910 100001 109175 181820 200002 218350 227275 400004 436700 454550 500005 909100 1000010 2000020 2500025 3609127 5000050 7218254 10000100 14436508 18045635 36091270 39700397 72182540 79400794 90228175 158801588 180456350 198501985 360912700 397003970 794007940 992509925 1985019850 3970039700