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147401442 = 23215535273
BaseRepresentation
bin10001100100100…
…10101011100010
3101021100202202200
420302102223202
5300213321232
622343154030
73436614546
oct1062225342
9337322680
10147401442
1176227981
1241445916
13246cc1b6
141580da26
15ce1977c
hex8c92ae2

147401442 has 24 divisors (see below), whose sum is σ = 319636044. Its totient is φ = 49092864.

The previous prime is 147401383. The next prime is 147401453. The reversal of 147401442 is 244104741.

It can be written as a sum of positive squares in 2 ways, for example, as 139499721 + 7901721 = 11811^2 + 2811^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25318 + ... + 30590.

Almost surely, 2147401442 is an apocalyptic number.

147401442 is an abundant number, since it is smaller than the sum of its proper divisors (172234602).

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

147401442 is a wasteful number, since it uses less digits than its factorization.

147401442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834 (or 6831 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 147401442 is about 12140.8995548106. The cubic root of 147401442 is about 528.2431946144.

The spelling of 147401442 in words is "one hundred forty-seven million, four hundred one thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 1553 3106 4659 5273 9318 10546 13977 15819 27954 31638 47457 94914 8188969 16377938 24566907 49133814 73700721 147401442