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153490494 = 2325581749
BaseRepresentation
bin10010010011000…
…01010000111110
3101200211010101010
421021201100332
5303243143434
623121500050
73542435103
oct1111412076
9350733333
10153490494
1179706753
12434a1626
1325a518a1
1416556aaa
15d71d9e9
hex926143e

153490494 has 8 divisors (see below), whose sum is σ = 306981000. Its totient is φ = 51163496.

The previous prime is 153490481. The next prime is 153490507. The reversal of 153490494 is 494094351.

It is an interprime number because it is at equal distance from previous prime (153490481) and next prime (153490507).

It is a sphenic number, since it is the product of 3 distinct primes.

153490494 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12790869 + ... + 12790880.

It is an arithmetic number, because the mean of its divisors is an integer number (38372625).

Almost surely, 2153490494 is an apocalyptic number.

153490494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

153490494 is a wasteful number, since it uses less digits than its factorization.

153490494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25581754.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 153490494 is about 12389.1280564857. The cubic root of 153490494 is about 535.4190608428.

The spelling of 153490494 in words is "one hundred fifty-three million, four hundred ninety thousand, four hundred ninety-four".

Divisors: 1 2 3 6 25581749 51163498 76745247 153490494