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45890871 = 31317193643
BaseRepresentation
bin1010111100001…
…1110100110111
310012100111102220
42233003310313
543222001441
64315333423
71065031425
oct257036467
9105314386
1045890871
11239a4544
1213451273
139679c80
146148115
154067466
hex2bc3d37

45890871 has 32 divisors (see below), whose sum is σ = 73463040. Its totient is φ = 25173504.

The previous prime is 45890851. The next prime is 45890879. The reversal of 45890871 is 17809854.

It is not a de Polignac number, because 45890871 - 25 = 45890839 is a prime.

It is a super-2 number, since 2×458908712 = 4211944082277282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45890879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10776 + ... + 14418.

It is an arithmetic number, because the mean of its divisors is an integer number (2295720).

Almost surely, 245890871 is an apocalyptic number.

45890871 is a deficient number, since it is larger than the sum of its proper divisors (27572169).

45890871 is a wasteful number, since it uses less digits than its factorization.

45890871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 45890871 is about 6774.2801093548. The cubic root of 45890871 is about 358.0212189498.

The spelling of 45890871 in words is "forty-five million, eight hundred ninety thousand, eight hundred seventy-one".

Divisors: 1 3 13 17 19 39 51 57 221 247 323 663 741 969 3643 4199 10929 12597 47359 61931 69217 142077 185793 207651 805103 899821 1176689 2415309 2699463 3530067 15296957 45890871