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149018072 = 23711323549
BaseRepresentation
bin10001110000111…
…01010111011000
3101101101220100212
420320131113120
5301122034242
622441550252
73456430010
oct1070352730
9341356325
10149018072
1177131535
1241aa5388
1324b46c98
1415b10c40
15d138782
hex8e1d5d8

149018072 has 32 divisors (see below), whose sum is σ = 322164000. Its totient is φ = 63297024.

The previous prime is 149018069. The next prime is 149018087. The reversal of 149018072 is 270810941.

149018072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5447 + ... + 18102.

It is an arithmetic number, because the mean of its divisors is an integer number (10067625).

Almost surely, 2149018072 is an apocalyptic number.

It is an amenable number.

149018072 is an abundant number, since it is smaller than the sum of its proper divisors (173145928).

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

149018072 is a wasteful number, since it uses less digits than its factorization.

149018072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23675 (or 23671 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 149018072 is about 12207.2958512522. The cubic root of 149018072 is about 530.1673519221.

The spelling of 149018072 in words is "one hundred forty-nine million, eighteen thousand, seventy-two".

Divisors: 1 2 4 7 8 14 28 56 113 226 452 791 904 1582 3164 6328 23549 47098 94196 164843 188392 329686 659372 1318744 2661037 5322074 10644148 18627259 21288296 37254518 74509036 149018072