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149269716 = 2234460709
BaseRepresentation
bin10001110010110…
…10110011010100
3101101212200120000
420321122303110
5301203112331
622451211300
73461525451
oct1071326324
9341780500
10149269716
1177293602
1241ba6b30
1324c0469b
1415b78828
15d1880e6
hex8e5acd4

149269716 has 30 divisors (see below), whose sum is σ = 390221370. Its totient is φ = 49756464.

The previous prime is 149269709. The next prime is 149269717. The reversal of 149269716 is 617962941.

149269716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 139004100 + 10265616 = 11790^2 + 3204^2 .

It is a super-2 number, since 2×1492697162 = 44562896229441312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149269717) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 230031 + ... + 230678.

It is an arithmetic number, because the mean of its divisors is an integer number (13007379).

Almost surely, 2149269716 is an apocalyptic number.

It is an amenable number.

149269716 is an abundant number, since it is smaller than the sum of its proper divisors (240951654).

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

149269716 is a wasteful number, since it uses less digits than its factorization.

149269716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460725 (or 460714 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 149269716 is about 12217.5986183865. The cubic root of 149269716 is about 530.4656119566.

It can be divided in two parts, 14926 and 9716, that added together give a palindrome (24642).

The spelling of 149269716 in words is "one hundred forty-nine million, two hundred sixty-nine thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 460709 921418 1382127 1842836 2764254 4146381 5528508 8292762 12439143 16585524 24878286 37317429 49756572 74634858 149269716