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153254493 = 3274575323
BaseRepresentation
bin10010010001001…
…11101001011101
3101200101010122100
421020213221131
5303213120433
623112435313
73540433050
oct1110475135
9350333570
10153254493
1179565407
12433a8b39
132599b342
14164d4a97
15d6c3b13
hex9227a5d

153254493 has 24 divisors (see below), whose sum is σ = 253592768. Its totient is φ = 87365952.

The previous prime is 153254489. The next prime is 153254501. The reversal of 153254493 is 394452351.

153254493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 153254493 - 22 = 153254489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153254443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26130 + ... + 31452.

Almost surely, 2153254493 is an apocalyptic number.

It is an amenable number.

153254493 is a deficient number, since it is larger than the sum of its proper divisors (100338275).

153254493 is a wasteful number, since it uses less digits than its factorization.

153254493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5793 (or 5790 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 153254493 is about 12379.5998723707. The cubic root of 153254493 is about 535.1445069217.

The spelling of 153254493 in words is "one hundred fifty-three million, two hundred fifty-four thousand, four hundred ninety-three".

Divisors: 1 3 7 9 21 63 457 1371 3199 4113 5323 9597 15969 28791 37261 47907 111783 335349 2432611 7297833 17028277 21893499 51084831 153254493