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45250147 = 431052329
BaseRepresentation
bin1010110010011…
…1011001100011
310011010221112101
42230213121203
543041001042
64253511231
71056422425
oct254473143
9104127471
1045250147
11235a7118
12131a2517
1394b4447
14601c815
153e8c6b7
hex2b27663

45250147 has 4 divisors (see below), whose sum is σ = 46302520. Its totient is φ = 44197776.

The previous prime is 45250133. The next prime is 45250157. The reversal of 45250147 is 74105254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45250147 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45250157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526122 + ... + 526207.

It is an arithmetic number, because the mean of its divisors is an integer number (11575630).

Almost surely, 245250147 is an apocalyptic number.

45250147 is a deficient number, since it is larger than the sum of its proper divisors (1052373).

45250147 is a wasteful number, since it uses less digits than its factorization.

45250147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052372.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 45250147 is about 6726.8229499519. The cubic root of 45250147 is about 356.3471842380.

The spelling of 45250147 in words is "forty-five million, two hundred fifty thousand, one hundred forty-seven".

Divisors: 1 43 1052329 45250147