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61313402 = 238978809
BaseRepresentation
bin1110100111100…
…1000101111010
311021101001011202
43221321011322
5111144012102
610030054202
71343104163
oct351710572
9137331152
1061313402
1131678737
121864a362
13c919a27
14820076a
1555b1e02
hex3a7917a

61313402 has 8 divisors (see below), whose sum is σ = 92207700. Its totient is φ = 30577504.

The previous prime is 61313393. The next prime is 61313411. The reversal of 61313402 is 20431316.

It is an interprime number because it is at equal distance from previous prime (61313393) and next prime (61313411).

It can be written as a sum of positive squares in 2 ways, for example, as 45954841 + 15358561 = 6779^2 + 3919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38627 + ... + 40182.

Almost surely, 261313402 is an apocalyptic number.

61313402 is a deficient number, since it is larger than the sum of its proper divisors (30894298).

61313402 is a wasteful number, since it uses less digits than its factorization.

61313402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79200.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 61313402 is about 7830.2874787584. The cubic root of 61313402 is about 394.3227233817.

Adding to 61313402 its reverse (20431316), we get a palindrome (81744718).

The spelling of 61313402 in words is "sixty-one million, three hundred thirteen thousand, four hundred two".

Divisors: 1 2 389 778 78809 157618 30656701 61313402