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BaseRepresentation
bin10001110010110…
…10110011011000
3101101212200120011
420321122303120
5301203112340
622451211304
73461525455
oct1071326330
9341780504
10149269720
1177293606
1241ba6b34
1324c046a2
1415b7882c
15d1880ea
hex8e5acd8

149269720 has 32 divisors (see below), whose sum is σ = 338320800. Its totient is φ = 59269888.

The previous prime is 149269717. The next prime is 149269787. The reversal of 149269720 is 27962941.

149269720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8140 + ... + 19099.

It is an arithmetic number, because the mean of its divisors is an integer number (10572525).

Almost surely, 2149269720 is an apocalyptic number.

149269720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149269720 is an abundant number, since it is smaller than the sum of its proper divisors (189051080).

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

149269720 is a wasteful number, since it uses less digits than its factorization.

149269720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27387 (or 27383 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 149269720 is about 12217.5987820848. The cubic root of 149269720 is about 530.4656166949.

The spelling of 149269720 in words is "one hundred forty-nine million, two hundred sixty-nine thousand, seven hundred twenty".