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149073015 = 35713109211
BaseRepresentation
bin10001110001010…
…10110001110111
3101101111200201210
420320222301313
5301130314030
622443052503
73460046130
oct1070526167
9341450653
10149073015
1177169843
1241b11133
1324b65cb0
1415b26c87
15d149bb0
hex8e2ac77

149073015 has 32 divisors (see below), whose sum is σ = 293561856. Its totient is φ = 62904960.

The previous prime is 149073013. The next prime is 149073059. The reversal of 149073015 is 510370941.

It is not a de Polignac number, because 149073015 - 21 = 149073013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149073011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53241 + ... + 55970.

It is an arithmetic number, because the mean of its divisors is an integer number (9173808).

Almost surely, 2149073015 is an apocalyptic number.

149073015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149073015 is a deficient number, since it is larger than the sum of its proper divisors (144488841).

149073015 is a wasteful number, since it uses less digits than its factorization.

149073015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109239.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 149073015 is about 12209.5460603579. The cubic root of 149073015 is about 530.2325015271.

The spelling of 149073015 in words is "one hundred forty-nine million, seventy-three thousand, fifteen".

Divisors: 1 3 5 7 13 15 21 35 39 65 91 105 195 273 455 1365 109211 327633 546055 764477 1419743 1638165 2293431 3822385 4259229 7098715 9938201 11467155 21296145 29814603 49691005 149073015