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126885652 = 2241773693
BaseRepresentation
bin1111001000000…
…01111100010100
322211202110101121
413210001330110
5224440320102
620331333324
73100340005
oct744017424
9284673347
10126885652
1165695083
12365b1244
132039808a
1412bcd1ac
15b215b37
hex7901f14

126885652 has 12 divisors (see below), whose sum is σ = 227466036. Its totient is φ = 61895360.

The previous prime is 126885589. The next prime is 126885653. The reversal of 126885652 is 256588621.

It can be written as a sum of positive squares in 2 ways, for example, as 69822736 + 57062916 = 8356^2 + 7554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 126885599 and 126885608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126885653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386683 + ... + 387010.

It is an arithmetic number, because the mean of its divisors is an integer number (18955503).

Almost surely, 2126885652 is an apocalyptic number.

It is an amenable number.

126885652 is a deficient number, since it is larger than the sum of its proper divisors (100580384).

126885652 is a wasteful number, since it uses less digits than its factorization.

126885652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773738 (or 773736 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 126885652 is about 11264.3531549752. The cubic root of 126885652 is about 502.5016651348.

The spelling of 126885652 in words is "one hundred twenty-six million, eight hundred eighty-five thousand, six hundred fifty-two".

Divisors: 1 2 4 41 82 164 773693 1547386 3094772 31721413 63442826 126885652