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153053442 = 23310726489
BaseRepresentation
bin10010001111101…
…10100100000010
3101122222220212000
421013312210002
5303140202232
623104244430
73535634643
oct1107664402
9348886760
10153053442
1179438353
1243310716
132592a989
14164816ca
15d68427c
hex91f6902

153053442 has 32 divisors (see below), whose sum is σ = 343310400. Its totient is φ = 50539104.

The previous prime is 153053441. The next prime is 153053443. The reversal of 153053442 is 244350351.

153053442 is a `hidden beast` number, since 15 + 305 + 344 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (153053441) and next prime (153053443).

It is a super-2 number, since 2×1530534422 = 46850712216094728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (153053441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7467 + ... + 19022.

It is an arithmetic number, because the mean of its divisors is an integer number (10728450).

Almost surely, 2153053442 is an apocalyptic number.

153053442 is an abundant number, since it is smaller than the sum of its proper divisors (190256958).

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

153053442 is a wasteful number, since it uses less digits than its factorization.

153053442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26607 (or 26601 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 153053442 is about 12371.4769530562. The cubic root of 153053442 is about 534.9103899760.

The spelling of 153053442 in words is "one hundred fifty-three million, fifty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 107 214 321 642 963 1926 2889 5778 26489 52978 79467 158934 238401 476802 715203 1430406 2834323 5668646 8502969 17005938 25508907 51017814 76526721 153053442