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1061974628 = 2211131856599
BaseRepresentation
bin111111010011000…
…111001001100100
32202000021220022122
4333103013021210
54133331142003
6253213445112
735213430641
oct7723071144
92660256278
101061974628
114a5503290
122577a0798
1313c028b70
14a1080dc8
1563374238
hex3f4c7264

1061974628 has 24 divisors (see below), whose sum is σ = 2183361600. Its totient is φ = 445583520.

The previous prime is 1061974591. The next prime is 1061974631. The reversal of 1061974628 is 8264791601.

It is a super-2 number, since 2×10619746282 = 2255580221031476768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927728 + ... + 928871.

It is an arithmetic number, because the mean of its divisors is an integer number (90973400).

Almost surely, 21061974628 is an apocalyptic number.

It is an amenable number.

1061974628 is an abundant number, since it is smaller than the sum of its proper divisors (1121386972).

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

1061974628 is a wasteful number, since it uses less digits than its factorization.

1061974628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856627 (or 1856625 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1061974628 is about 32587.9521909555. The cubic root of 1061974628 is about 1020.2455605111.

The spelling of 1061974628 in words is "one billion, sixty-one million, nine hundred seventy-four thousand, six hundred twenty-eight".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 1856599 3713198 7426396 20422589 24135787 40845178 48271574 81690356 96543148 265493657 530987314 1061974628