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1055149772 = 221607164149
BaseRepresentation
bin111110111001000…
…100111011001100
32201112110011101012
4332321010323030
54130104243042
6252411304352
735101424255
oct7671047314
92645404335
101055149772
114a1671706
1225544b0b8
1313a7a95a1
14a01c5b2c
1562976e82
hex3ee44ecc

1055149772 has 12 divisors (see below), whose sum is σ = 1847672400. Its totient is φ = 527243376.

The previous prime is 1055149763. The next prime is 1055149783. The reversal of 1055149772 is 2779415501.

It is a super-2 number, since 2×10551497722 = 2226682082703303968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75647 + ... + 88502.

It is an arithmetic number, because the mean of its divisors is an integer number (153972700).

Almost surely, 21055149772 is an apocalyptic number.

It is an amenable number.

1055149772 is a deficient number, since it is larger than the sum of its proper divisors (792522628).

1055149772 is a wasteful number, since it uses less digits than its factorization.

1055149772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165760 (or 165758 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 41.

The square root of 1055149772 is about 32483.0690052526. The cubic root of 1055149772 is about 1018.0553014501.

The spelling of 1055149772 in words is "one billion, fifty-five million, one hundred forty-nine thousand, seven hundred seventy-two".

Divisors: 1 2 4 1607 3214 6428 164149 328298 656596 263787443 527574886 1055149772