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45243250 = 2531313921
BaseRepresentation
bin1010110010010…
…1101101110010
310011010121001221
42230211231302
543040241000
64253415254
71056363343
oct254455562
9104117057
1045243250
11235a1a18
121319a52a
1394b1270
14601a0ca
153e8a61a
hex2b25b72

45243250 has 32 divisors (see below), whose sum is σ = 91216944. Its totient is φ = 16704000.

The previous prime is 45243227. The next prime is 45243269. The reversal of 45243250 is 5234254.

It can be written as a sum of positive squares in 8 ways, for example, as 44521 + 45198729 = 211^2 + 6723^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3711 + ... + 10210.

Almost surely, 245243250 is an apocalyptic number.

45243250 is an abundant number, since it is smaller than the sum of its proper divisors (45973694).

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

45243250 is a wasteful number, since it uses less digits than its factorization.

45243250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13951 (or 13941 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 45243250 is about 6726.3102812761. The cubic root of 45243250 is about 356.3290785774.

The spelling of 45243250 in words is "forty-five million, two hundred forty-three thousand, two hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 125 130 250 325 650 1625 3250 13921 27842 69605 139210 180973 348025 361946 696050 904865 1740125 1809730 3480250 4524325 9048650 22621625 45243250