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61479042 = 2371277521
BaseRepresentation
bin1110101010000…
…1100010000010
311021200110101120
43222201202002
5111214312132
610033413110
71344364122
oct352414202
9137613346
1061479042
1131781129
121870a196
13c977241
148244c82
1555e602c
hex3aa1882

61479042 has 32 divisors (see below), whose sum is σ = 125380224. Its totient is φ = 20092800.

The previous prime is 61479029. The next prime is 61479053. The reversal of 61479042 is 24097416.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61478994 and 61479012.

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, 117742 + ... + 118262.

It is an arithmetic number, because the mean of its divisors is an integer number (3918132).

Almost surely, 261479042 is an apocalyptic number.

61479042 is an abundant number, since it is smaller than the sum of its proper divisors (63901182).

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

61479042 is a wasteful number, since it uses less digits than its factorization.

61479042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 61479042 is about 7840.8572235439. The cubic root of 61479042 is about 394.6774956638.

The spelling of 61479042 in words is "sixty-one million, four hundred seventy-nine thousand, forty-two".

Divisors: 1 2 3 6 71 142 213 277 426 521 554 831 1042 1563 1662 3126 19667 36991 39334 59001 73982 110973 118002 144317 221946 288634 432951 865902 10246507 20493014 30739521 61479042