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147729842 = 21371791013
BaseRepresentation
bin10001100111000…
…10110110110010
3101021222110020122
420303202312302
5300304323332
622354210242
73442453151
oct1063426662
9337873218
10147729842
1176431687
1241583982
13247b5810
1415897598
15ce81c12
hex8ce2db2

147729842 has 32 divisors (see below), whose sum is σ = 245306880. Its totient is φ = 66306240.

The previous prime is 147729833. The next prime is 147729853. The reversal of 147729842 is 248927741.

147729842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 147729793 and 147729802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145328 + ... + 146340.

It is an arithmetic number, because the mean of its divisors is an integer number (7665840).

Almost surely, 2147729842 is an apocalyptic number.

147729842 is a deficient number, since it is larger than the sum of its proper divisors (97577038).

147729842 is a wasteful number, since it uses less digits than its factorization.

147729842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178.

The product of its digits is 225792, while the sum is 44.

The square root of 147729842 is about 12154.4165635377. The cubic root of 147729842 is about 528.6351998121.

The spelling of 147729842 in words is "one hundred forty-seven million, seven hundred twenty-nine thousand, eight hundred forty-two".

Divisors: 1 2 13 26 71 79 142 158 923 1013 1027 1846 2026 2054 5609 11218 13169 26338 71923 72917 80027 143846 145834 160054 934999 1040351 1869998 2080702 5681917 11363834 73864921 147729842