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67490476 = 22171636089
BaseRepresentation
bin1000000010111…
…01001010101100
311200222212112021
410001131022230
5114234143401
610410315524
71446442144
oct401351254
9150885467
1067490476
1135107659
121a728ba4
1310ca04c1
148d6b924
155dd22a1
hex405d2ac

67490476 has 24 divisors (see below), whose sum is σ = 125843760. Its totient is φ = 31560192.

The previous prime is 67490443. The next prime is 67490483. The reversal of 67490476 is 67409476.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8040 + ... + 14128.

It is an arithmetic number, because the mean of its divisors is an integer number (5243490).

Almost surely, 267490476 is an apocalyptic number.

It is an amenable number.

67490476 is a deficient number, since it is larger than the sum of its proper divisors (58353284).

67490476 is a wasteful number, since it uses less digits than its factorization.

67490476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273 (or 6271 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 67490476 is about 8215.2587299488. The cubic root of 67490476 is about 407.1434918749.

The spelling of 67490476 in words is "sixty-seven million, four hundred ninety thousand, four hundred seventy-six".

Divisors: 1 2 4 17 34 68 163 326 652 2771 5542 6089 11084 12178 24356 103513 207026 414052 992507 1985014 3970028 16872619 33745238 67490476