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136423750 = 254109139
BaseRepresentation
bin10000010000110…
…10100101000110
3100111201001012111
420020122211012
5234411030000
621312011234
73244403611
oct1010324506
9314631174
10136423750
117000a201
1239830b1a
1322357618
1414193178
15be9bcba
hex821a946

136423750 has 20 divisors (see below), whose sum is σ = 255715020. Its totient is φ = 54569000.

The previous prime is 136423723. The next prime is 136423789. The reversal of 136423750 is 57324631.

It is a super-2 number, since 2×1364237502 = 37222879128125000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 53320 + ... + 55819.

It is an arithmetic number, because the mean of its divisors is an integer number (12785751).

Almost surely, 2136423750 is an apocalyptic number.

136423750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136423750 is a deficient number, since it is larger than the sum of its proper divisors (119291270).

136423750 is an equidigital number, since it uses as much as digits as its factorization.

136423750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109161 (or 109146 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 136423750 is about 11680.0577909529. The cubic root of 136423750 is about 514.7898724882.

The spelling of 136423750 in words is "one hundred thirty-six million, four hundred twenty-three thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 625 1250 109139 218278 545695 1091390 2728475 5456950 13642375 27284750 68211875 136423750