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128150046 = 23317139597
BaseRepresentation
bin1111010001101…
…10101000011110
322221010200211000
413220312220132
5230301300141
620414411130
73114154203
oct750665036
9287120730
10128150046
1166379032
1236b00aa6
132071b73b
141303bcaa
15b3b55b6
hex7a36a1e

128150046 has 32 divisors (see below), whose sum is σ = 301531680. Its totient is φ = 40203648.

The previous prime is 128150039. The next prime is 128150069. The reversal of 128150046 is 640051821.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68881 + ... + 70716.

It is an arithmetic number, because the mean of its divisors is an integer number (9422865).

Almost surely, 2128150046 is an apocalyptic number.

128150046 is an abundant number, since it is smaller than the sum of its proper divisors (173381634).

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

128150046 is a wasteful number, since it uses less digits than its factorization.

128150046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139625 (or 139619 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 128150046 is about 11320.3377158104. The cubic root of 128150046 is about 504.1652660966.

The spelling of 128150046 in words is "one hundred twenty-eight million, one hundred fifty thousand, forty-six".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 153 306 459 918 139597 279194 418791 837582 1256373 2373149 2512746 3769119 4746298 7119447 7538238 14238894 21358341 42716682 64075023 128150046