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61253402 = 2712013643
BaseRepresentation
bin1110100110101…
…0011100011010
311021020222212112
43221222130122
5111140102102
610024512322
71342434230
oct351523432
9137228775
1061253402
1131637651
121861b6a2
13c8c8622
1481c6950
15559e252
hex3a6a71a

61253402 has 16 divisors (see below), whose sum is σ = 105122112. Its totient is φ = 26222400.

The previous prime is 61253383. The next prime is 61253441. The reversal of 61253402 is 20435216.

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, 14993 + ... + 18635.

It is an arithmetic number, because the mean of its divisors is an integer number (6570132).

Almost surely, 261253402 is an apocalyptic number.

61253402 is a deficient number, since it is larger than the sum of its proper divisors (43868710).

61253402 is a wasteful number, since it uses less digits than its factorization.

61253402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 61253402 is about 7826.4552640388. The cubic root of 61253402 is about 394.1940561064.

Adding to 61253402 its reverse (20435216), we get a palindrome (81688618).

The spelling of 61253402 in words is "sixty-one million, two hundred fifty-three thousand, four hundred two".

Divisors: 1 2 7 14 1201 2402 3643 7286 8407 16814 25501 51002 4375243 8750486 30626701 61253402