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153704742 = 2325617457
BaseRepresentation
bin10010010100101…
…01100100100110
3101201020000021020
421022111210212
5303322022432
623130232010
73544316532
oct1112254446
9351200236
10153704742
1179842714
1243585606
1325ac8269
14165b0bc2
15d76222c
hex9295926

153704742 has 8 divisors (see below), whose sum is σ = 307409496. Its totient is φ = 51234912.

The previous prime is 153704723. The next prime is 153704743. The reversal of 153704742 is 247407351.

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

153704742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153704743) 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, 12808723 + ... + 12808734.

It is an arithmetic number, because the mean of its divisors is an integer number (38426187).

Almost surely, 2153704742 is an apocalyptic number.

153704742 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.

153704742 is a wasteful number, since it uses less digits than its factorization.

153704742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25617462.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 153704742 is about 12397.7716546160. The cubic root of 153704742 is about 535.6680646039.

The spelling of 153704742 in words is "one hundred fifty-three million, seven hundred four thousand, seven hundred forty-two".

Divisors: 1 2 3 6 25617457 51234914 76852371 153704742