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158074738 = 21710743451
BaseRepresentation
bin10010110110000…
…00011101110010
3102000110000202221
421123000131302
5310431342423
623404031254
73626420203
oct1133003562
9360400687
10158074738
1181257988
1244b3252a
1326998363
1416dcb5aa
15dd26e5d
hex96c0772

158074738 has 16 divisors (see below), whose sum is σ = 253412064. Its totient is φ = 73691200.

The previous prime is 158074733. The next prime is 158074739. The reversal of 158074738 is 837470851.

It is a junction number, because it is equal to n+sod(n) for n = 158074694 and 158074703.

It is not an unprimeable number, because it can be changed into a prime (158074733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18088 + ... + 25363.

It is an arithmetic number, because the mean of its divisors is an integer number (15838254).

Almost surely, 2158074738 is an apocalyptic number.

158074738 is a deficient number, since it is larger than the sum of its proper divisors (95337326).

158074738 is a wasteful number, since it uses less digits than its factorization.

158074738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43577.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 158074738 is about 12572.7776565085. Note that the first 3 decimals coincide. The cubic root of 158074738 is about 540.6972451951.

The spelling of 158074738 in words is "one hundred fifty-eight million, seventy-four thousand, seven hundred thirty-eight".

Divisors: 1 2 17 34 107 214 1819 3638 43451 86902 738667 1477334 4649257 9298514 79037369 158074738