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61496965 = 529424117
BaseRepresentation
bin1110101010010…
…1111010000101
311021201100222101
43222211322011
5111220400330
610034032101
71344500305
oct352457205
9137640871
1061496965
1131793642
1218718631
13c98244a
14824b605
1555eb4ca
hex3aa5e85

61496965 has 8 divisors (see below), whose sum is σ = 76341240. Its totient is φ = 47500992.

The previous prime is 61496947. The next prime is 61496983. The reversal of 61496965 is 56969416.

It is a Cunningham number, because it is equal to 78422+1.

It is an interprime number because it is at equal distance from previous prime (61496947) and next prime (61496983).

It can be written as a sum of positive squares in 4 ways, for example, as 22146436 + 39350529 = 4706^2 + 6273^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 61496965 - 29 = 61496453 is a prime.

It is a super-2 number, since 2×614969652 = 7563753408422450, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211914 + ... + 212203.

It is an arithmetic number, because the mean of its divisors is an integer number (9542655).

Almost surely, 261496965 is an apocalyptic number.

It is an amenable number.

61496965 is a deficient number, since it is larger than the sum of its proper divisors (14844275).

61496965 is a wasteful number, since it uses less digits than its factorization.

61496965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424151.

The product of its digits is 349920, while the sum is 46.

The square root of 61496965 is about 7842.0000637592. Note that the first 4 decimals coincide. The cubic root of 61496965 is about 394.7158454126.

It can be divided in two parts, 614 and 96965, that added together give a palindrome (97579).

The spelling of 61496965 in words is "sixty-one million, four hundred ninety-six thousand, nine hundred sixty-five".

Divisors: 1 5 29 145 424117 2120585 12299393 61496965