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61426 = 230713
BaseRepresentation
bin1110111111110010
310010021001
432333302
53431201
61152214
7344041
oct167762
9103231
1061426
1142172
122b66a
1321c61
1418558
1513301
hexeff2

61426 has 4 divisors (see below), whose sum is σ = 92142. Its totient is φ = 30712.

The previous prime is 61417. The next prime is 61441. The reversal of 61426 is 62416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40401 + 21025 = 201^2 + 145^2 .

It is a pancake number, because a pancake can be divided into 61426 parts by 350 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15355 + ... + 15358.

261426 is an apocalyptic number.

61426 is a deficient number, since it is larger than the sum of its proper divisors (30716).

61426 is a wasteful number, since it uses less digits than its factorization.

61426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30715.

The product of its digits is 288, while the sum is 19.

The square root of 61426 is about 247.8426920448. The cubic root of 61426 is about 39.4563958289.

Subtracting 61426 from its reverse (62416), we obtain a triangular number (990 = T44).

The spelling of 61426 in words is "sixty-one thousand, four hundred twenty-six".

Divisors: 1 2 30713 61426