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67400130 = 2357320953
BaseRepresentation
bin1000000010001…
…11000111000010
311200211021121010
410001013013002
5114223301010
610404341350
71445614560
oct401070702
9150737533
1067400130
1135055796
121a6a4856
1310c6b345
148d46a30
155db5620
hex40471c2

67400130 has 32 divisors (see below), whose sum is σ = 184869504. Its totient is φ = 15405696.

The previous prime is 67400117. The next prime is 67400149. The reversal of 67400130 is 3100476.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 67400097 and 67400106.

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, 160267 + ... + 160686.

It is an arithmetic number, because the mean of its divisors is an integer number (5777172).

Almost surely, 267400130 is an apocalyptic number.

67400130 is an abundant number, since it is smaller than the sum of its proper divisors (117469374).

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

67400130 is a wasteful number, since it uses less digits than its factorization.

67400130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320970.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 67400130 is about 8209.7582181207. The cubic root of 67400130 is about 406.9617367897.

The spelling of 67400130 in words is "sixty-seven million, four hundred thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 320953 641906 962859 1604765 1925718 2246671 3209530 4493342 4814295 6740013 9628590 11233355 13480026 22466710 33700065 67400130