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45972641 = 11131718911
BaseRepresentation
bin1010111101011…
…1110010100001
310012111122121102
42233113302201
543232111031
64321204145
71065522011
oct257276241
9105448542
1045972641
1123a4aa20
1213490655
1396a8260
146169c41
1540817cb
hex2bd7ca1

45972641 has 16 divisors (see below), whose sum is σ = 57189888. Its totient is φ = 36307200.

The previous prime is 45972631. The next prime is 45972649. The reversal of 45972641 is 14627954.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45972641 is a prime.

It is a super-2 number, since 2×459726412 = 4226967441029762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45972595 and 45972604.

It is not an unprimeable number, because it can be changed into a prime (45972649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7025 + ... + 11886.

It is an arithmetic number, because the mean of its divisors is an integer number (3574368).

Almost surely, 245972641 is an apocalyptic number.

It is an amenable number.

45972641 is a deficient number, since it is larger than the sum of its proper divisors (11217247).

45972641 is a wasteful number, since it uses less digits than its factorization.

45972641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18952.

The product of its digits is 60480, while the sum is 38.

The square root of 45972641 is about 6780.3127508987. The cubic root of 45972641 is about 358.2337377917.

The spelling of 45972641 in words is "forty-five million, nine hundred seventy-two thousand, six hundred forty-one".

Divisors: 1 11 13 17 143 187 221 2431 18911 208021 245843 321487 2704273 3536357 4179331 45972641