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61799428 = 2243359299
BaseRepresentation
bin1110101110111…
…1110000000100
311022021201212201
43223233300010
5111310040203
610044324244
71350200155
oct353576004
9138251781
1061799428
113197a909
1218843684
13ca5a012
1482c992c
15565ae1d
hex3aefc04

61799428 has 12 divisors (see below), whose sum is σ = 110664400. Its totient is φ = 30181032.

The previous prime is 61799417. The next prime is 61799443. The reversal of 61799428 is 82499716.

It is a super-2 number, since 2×617994282 = 7638338602254368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179478 + ... + 179821.

Almost surely, 261799428 is an apocalyptic number.

It is an amenable number.

61799428 is a deficient number, since it is larger than the sum of its proper divisors (48864972).

61799428 is a wasteful number, since it uses less digits than its factorization.

61799428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359346 (or 359344 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 61799428 is about 7861.2612219669. The cubic root of 61799428 is about 395.3619030041.

The spelling of 61799428 in words is "sixty-one million, seven hundred ninety-nine thousand, four hundred twenty-eight".

Divisors: 1 2 4 43 86 172 359299 718598 1437196 15449857 30899714 61799428