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61602340 = 2253080117
BaseRepresentation
bin1110101011111…
…1101000100100
311021220201112011
43222333220210
5111232233330
610040204004
71345416442
oct352775044
9137821464
1061602340
1131855828
1218769604
13c9bb3b7
148277b92
15561c82a
hex3abfa24

61602340 has 12 divisors (see below), whose sum is σ = 129364956. Its totient is φ = 24640928.

The previous prime is 61602323. The next prime is 61602347. The reversal of 61602340 is 4320616.

It can be written as a sum of positive squares in 2 ways, for example, as 21381376 + 40220964 = 4624^2 + 6342^2 .

It is not an unprimeable number, because it can be changed into a prime (61602347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540039 + ... + 1540078.

It is an arithmetic number, because the mean of its divisors is an integer number (10780413).

Almost surely, 261602340 is an apocalyptic number.

It is an amenable number.

61602340 is an abundant number, since it is smaller than the sum of its proper divisors (67762616).

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

61602340 is a wasteful number, since it uses less digits than its factorization.

61602340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080126 (or 3080124 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 61602340 is about 7848.7158185273. The cubic root of 61602340 is about 394.9411651942.

Adding to 61602340 its reverse (4320616), we get a palindrome (65922956).

The spelling of 61602340 in words is "sixty-one million, six hundred two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 3080117 6160234 12320468 15400585 30801170 61602340