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45284457 = 3292272293
BaseRepresentation
bin1010110010111…
…1110001101001
310011012200121010
42230233301221
543043100312
64254334133
71056624441
oct254576151
9104180533
1045284457
112361a979
12131ba349
1394c6c4a
14602b121
153e9793c
hex2b2fc69

45284457 has 16 divisors (see below), whose sum is σ = 62763840. Its totient is φ = 29007552.

The previous prime is 45284443. The next prime is 45284479. The reversal of 45284457 is 75448254.

It is a de Polignac number, because none of the positive numbers 2k-45284457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45284257) 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, 18603 + ... + 20895.

It is an arithmetic number, because the mean of its divisors is an integer number (3922740).

Almost surely, 245284457 is an apocalyptic number.

It is an amenable number.

45284457 is a deficient number, since it is larger than the sum of its proper divisors (17479383).

45284457 is a wasteful number, since it uses less digits than its factorization.

45284457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552.

The product of its digits is 179200, while the sum is 39.

The square root of 45284457 is about 6729.3727047920. The cubic root of 45284457 is about 356.4372258098.

The spelling of 45284457 in words is "forty-five million, two hundred eighty-four thousand, four hundred fifty-seven".

Divisors: 1 3 29 87 227 681 2293 6583 6879 19749 66497 199491 520511 1561533 15094819 45284457