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61896948 = 2237172649
BaseRepresentation
bin1110110000011…
…1100011110100
311022110200122120
43230013203310
5111321200243
610050355540
71351054401
oct354074364
9138420576
1061896948
1131a37103
121888bbb0
13ca92519
1483132a8
155679c83
hex3b078f4

61896948 has 24 divisors (see below), whose sum is σ = 146462400. Its totient is φ = 20341440.

The previous prime is 61896943. The next prime is 61896973. The reversal of 61896948 is 84969816.

It is a happy number.

61896948 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

61896948 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 61896948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61896943) 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, 35473 + ... + 37176.

It is an arithmetic number, because the mean of its divisors is an integer number (6102600).

Almost surely, 261896948 is an apocalyptic number.

It is an amenable number.

61896948 is an abundant number, since it is smaller than the sum of its proper divisors (84565452).

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

61896948 is a wasteful number, since it uses less digits than its factorization.

61896948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72727 (or 72725 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 61896948 is about 7867.4613440423. The cubic root of 61896948 is about 395.5697551445.

The spelling of 61896948 in words is "sixty-one million, eight hundred ninety-six thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 72649 145298 217947 290596 435894 871788 5158079 10316158 15474237 20632316 30948474 61896948