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149702864 = 249356429
BaseRepresentation
bin10001110110001…
…00100011010000
3101102200200201112
420323010203100
5301310442424
622504352452
73465311333
oct1073044320
9342620645
10149702864
1177559a83
1242175728
132502689c
1415c4c61a
15d22160e
hex8ec48d0

149702864 has 10 divisors (see below), whose sum is σ = 290049330. Its totient is φ = 74851424.

The previous prime is 149702863. The next prime is 149702869. The reversal of 149702864 is 468207941.

It can be written as a sum of positive squares in only one way, i.e., 86341264 + 63361600 = 9292^2 + 7960^2 .

It is a super-3 number, since 3×1497028643 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149702863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4678199 + ... + 4678230.

It is an arithmetic number, because the mean of its divisors is an integer number (29004933).

Almost surely, 2149702864 is an apocalyptic number.

It is an amenable number.

149702864 is a deficient number, since it is larger than the sum of its proper divisors (140346466).

149702864 is an equidigital number, since it uses as much as digits as its factorization.

149702864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9356437 (or 9356431 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 149702864 is about 12235.3121741948. The cubic root of 149702864 is about 530.9782147696.

The spelling of 149702864 in words is "one hundred forty-nine million, seven hundred two thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 9356429 18712858 37425716 74851432 149702864