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149810738 = 2731119853
BaseRepresentation
bin10001110110111…
…10111000110010
3101102220011200212
420323132320302
5301322420423
622510544122
73466241000
oct1073367062
9342804625
10149810738
1177623030
1242208042
1325063a0c
1415c79a70
15d243578
hex8edee32

149810738 has 32 divisors (see below), whose sum is σ = 285897600. Its totient is φ = 58364880.

The previous prime is 149810737. The next prime is 149810747. The reversal of 149810738 is 837018941.

149810738 is digitally balanced in base 3, 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 = 149810695 and 149810704.

It is not an unprimeable number, because it can be changed into a prime (149810737) 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, 2381 + ... + 17472.

It is an arithmetic number, because the mean of its divisors is an integer number (8934300).

Almost surely, 2149810738 is an apocalyptic number.

149810738 is a deficient number, since it is larger than the sum of its proper divisors (136086862).

149810738 is a wasteful number, since it uses less digits than its factorization.

149810738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19887 (or 19873 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 149810738 is about 12239.7196863327. The cubic root of 149810738 is about 531.1057228876.

The spelling of 149810738 in words is "one hundred forty-nine million, eight hundred ten thousand, seven hundred thirty-eight".

Divisors: 1 2 7 11 14 22 49 77 98 154 343 539 686 1078 3773 7546 19853 39706 138971 218383 277942 436766 972797 1528681 1945594 3057362 6809579 10700767 13619158 21401534 74905369 149810738