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3977330670 = 232557497687
BaseRepresentation
bin1110110100010001…
…0011111111101110
3101021012001022222100
43231010103333232
531121144040140
61454355555530
7200363516145
oct35504237756
911235038870
103977330670
111761110445
1292bbbbba6
134b5015301
1429a33275c
15184298530
hexed113fee

3977330670 has 48 divisors (see below), whose sum is σ = 10344204000. Its totient is φ = 1060299072.

The previous prime is 3977330653. The next prime is 3977330671. The reversal of 3977330670 is 760337793.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977330671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513567 + ... + 521253.

It is an arithmetic number, because the mean of its divisors is an integer number (215504250).

Almost surely, 23977330670 is an apocalyptic number.

3977330670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3977330670 is an abundant number, since it is smaller than the sum of its proper divisors (6366873330).

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

3977330670 is a wasteful number, since it uses less digits than its factorization.

3977330670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449 (or 13446 counting only the distinct ones).

The product of its (nonzero) digits is 500094, while the sum is 45.

The square root of 3977330670 is about 63066.0817714245. The cubic root of 3977330670 is about 1584.3965925188.

The spelling of 3977330670 in words is "three billion, nine hundred seventy-seven million, three hundred thirty thousand, six hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 5749 7687 11498 15374 17247 23061 28745 34494 38435 46122 51741 57490 69183 76870 86235 103482 115305 138366 172470 230610 258705 345915 517410 691830 44192563 88385126 132577689 220962815 265155378 397733067 441925630 662888445 795466134 1325776890 1988665335 3977330670