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61299048 = 23323111049
BaseRepresentation
bin1110100111010…
…1100101101000
311021100022111010
43221311211220
5111143032143
610025503520
71343014266
oct351654550
9137308433
1061299048
1131668978
1218641ba0
13c913335
1481d9436
1555aca33
hex3a75968

61299048 has 32 divisors (see below), whose sum is σ = 159912000. Its totient is φ = 19544448.

The previous prime is 61299041. The next prime is 61299079. The reversal of 61299048 is 84099216.

It is a junction number, because it is equal to n+sod(n) for n = 61298997 and 61299015.

It is not an unprimeable number, because it can be changed into a prime (61299041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54973 + ... + 56076.

It is an arithmetic number, because the mean of its divisors is an integer number (4997250).

Almost surely, 261299048 is an apocalyptic number.

It is an amenable number.

61299048 is an abundant number, since it is smaller than the sum of its proper divisors (98612952).

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

61299048 is a wasteful number, since it uses less digits than its factorization.

61299048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111081 (or 111077 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 61299048 is about 7829.3708559500. The cubic root of 61299048 is about 394.2919495218.

The spelling of 61299048 in words is "sixty-one million, two hundred ninety-nine thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 111049 222098 333147 444196 666294 888392 1332588 2554127 2665176 5108254 7662381 10216508 15324762 20433016 30649524 61299048