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136885472 = 254277671
BaseRepresentation
bin10000010100010…
…11010011100000
3100112120111120022
420022023103200
5240020313342
621325533012
73251336003
oct1012132340
9315514508
10136885472
11702a5099
1239a14168
1322489829
141427353a
15c03d9d2
hex828b4e0

136885472 has 12 divisors (see below), whose sum is σ = 269493336. Its totient is φ = 68442720.

The previous prime is 136885453. The next prime is 136885477. The reversal of 136885472 is 274588631.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136885477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2138804 + ... + 2138867.

It is an arithmetic number, because the mean of its divisors is an integer number (22457778).

Almost surely, 2136885472 is an apocalyptic number.

It is an amenable number.

136885472 is a deficient number, since it is larger than the sum of its proper divisors (132607864).

136885472 is an equidigital number, since it uses as much as digits as its factorization.

136885472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277681 (or 4277673 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 136885472 is about 11699.8064941263. The cubic root of 136885472 is about 515.3699820396.

The spelling of 136885472 in words is "one hundred thirty-six million, eight hundred eighty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 4277671 8555342 17110684 34221368 68442736 136885472