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126970459 = 7117920873
BaseRepresentation
bin1111001000101…
…10101001011011
322211220202201121
413210112221123
5230001023314
620333230111
73101142160
oct744265133
9284822647
10126970459
1165742870
1236632337
13203c7865
1412c12067
15b230d24
hex7916a5b

126970459 has 16 divisors (see below), whose sum is σ = 160312320. Its totient is φ = 97680960.

The previous prime is 126970411. The next prime is 126970471. The reversal of 126970459 is 954079621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 126970459 - 219 = 126446171 is a prime.

It is a super-2 number, since 2×1269704592 = 32242994917341362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126970489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4354 + ... + 16519.

It is an arithmetic number, because the mean of its divisors is an integer number (10019520).

Almost surely, 2126970459 is an apocalyptic number.

126970459 is a deficient number, since it is larger than the sum of its proper divisors (33341861).

126970459 is a wasteful number, since it uses less digits than its factorization.

126970459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20970.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 126970459 is about 11268.1169234260. The cubic root of 126970459 is about 502.6135931245.

The spelling of 126970459 in words is "one hundred twenty-six million, nine hundred seventy thousand, four hundred fifty-nine".

Divisors: 1 7 11 77 79 553 869 6083 20873 146111 229603 1607221 1648967 11542769 18138637 126970459