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149296540 = 22510696983
BaseRepresentation
bin10001110011000…
…01010110011100
3101101221001100111
420321201112130
5301204442130
622451535404
73461666611
oct1071412634
9341831314
10149296540
1177301778
1241bba564
1324c13963
1415b84508
15d19102a
hex8e6159c

149296540 has 24 divisors (see below), whose sum is σ = 313860960. Its totient is φ = 59654208.

The previous prime is 149296529. The next prime is 149296549. The reversal of 149296540 is 45692941.

It is a junction number, because it is equal to n+sod(n) for n = 149296493 and 149296502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149296549) 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, 17889 + ... + 24871.

It is an arithmetic number, because the mean of its divisors is an integer number (13077540).

Almost surely, 2149296540 is an apocalyptic number.

149296540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149296540 is an abundant number, since it is smaller than the sum of its proper divisors (164564420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149296540 is a wasteful number, since it uses less digits than its factorization.

149296540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061 (or 8059 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 149296540 is about 12218.6963298054. The cubic root of 149296540 is about 530.4973852184.

The spelling of 149296540 in words is "one hundred forty-nine million, two hundred ninety-six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1069 2138 4276 5345 6983 10690 13966 21380 27932 34915 69830 139660 7464827 14929654 29859308 37324135 74648270 149296540