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134442970 = 25173197263
BaseRepresentation
bin10000000001101…
…10111111011010
3100100222102002021
420000312333122
5233404133340
621201325054
73221514004
oct1000667732
9310872067
10134442970
1169986aa2
123903678a
1321b12b6c
1413bd9374
15bc09e4a
hex8036fda

134442970 has 64 divisors (see below), whose sum is σ = 268240896. Its totient is φ = 48291840.

The previous prime is 134442967. The next prime is 134442989. The reversal of 134442970 is 79244431.

It is a happy number.

134442970 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 (34).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511059 + ... + 511321.

It is an arithmetic number, because the mean of its divisors is an integer number (4191264).

Almost surely, 2134442970 is an apocalyptic number.

134442970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134442970 is a deficient number, since it is larger than the sum of its proper divisors (133797926).

134442970 is a wasteful number, since it uses less digits than its factorization.

134442970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 134442970 is about 11594.9545061634. The cubic root of 134442970 is about 512.2862499468.

The spelling of 134442970 in words is "one hundred thirty-four million, four hundred forty-two thousand, nine hundred seventy".

Divisors: 1 2 5 10 17 31 34 62 85 97 155 170 194 263 310 485 526 527 970 1054 1315 1649 2630 2635 3007 3298 4471 5270 6014 8153 8245 8942 15035 16306 16490 22355 25511 30070 40765 44710 51022 51119 81530 102238 127555 138601 255110 255595 277202 433687 511190 693005 790841 867374 1386010 1581682 2168435 3954205 4336870 7908410 13444297 26888594 67221485 134442970