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61420914 = 2323412273
BaseRepresentation
bin1110101001001…
…1010101110010
311021120111122200
43222103111302
5111210432124
610032244030
71344032502
oct352232562
9137514580
1061420914
1131741495
12186a0616
13c956949
14822ba02
1555d3bc9
hex3a93572

61420914 has 12 divisors (see below), whose sum is σ = 133078686. Its totient is φ = 20473632.

The previous prime is 61420873. The next prime is 61420921. The reversal of 61420914 is 41902416.

It can be written as a sum of positive squares in only one way, i.e., 61355889 + 65025 = 7833^2 + 255^2 .

It is a hoax number, since the sum of its digits (27) 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 5 ways as a sum of consecutive naturals, for example, 1706119 + ... + 1706154.

Almost surely, 261420914 is an apocalyptic number.

61420914 is an abundant number, since it is smaller than the sum of its proper divisors (71657772).

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

61420914 is a wasteful number, since it uses less digits than its factorization.

61420914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412281 (or 3412278 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 61420914 is about 7837.1496093924. The cubic root of 61420914 is about 394.5530681789.

It can be divided in two parts, 614 and 20914, that added together give a triangular number (21528 = T207).

The spelling of 61420914 in words is "sixty-one million, four hundred twenty thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 18 3412273 6824546 10236819 20473638 30710457 61420914