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61248345 = 354083223
BaseRepresentation
bin1110100110100…
…1001101011001
311021020201221020
43221221031121
5111134421340
610024433053
71342413414
oct351511531
9137221836
1061248345
1131633874
1218618789
13c8c6232
1481c4b7b
15559c9d0
hex3a69359

61248345 has 8 divisors (see below), whose sum is σ = 97997376. Its totient is φ = 32665776.

The previous prime is 61248329. The next prime is 61248359. The reversal of 61248345 is 54384216.

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

It is not a de Polignac number, because 61248345 - 24 = 61248329 is a prime.

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, 2041597 + ... + 2041626.

It is an arithmetic number, because the mean of its divisors is an integer number (12249672).

Almost surely, 261248345 is an apocalyptic number.

It is an amenable number.

61248345 is a deficient number, since it is larger than the sum of its proper divisors (36749031).

61248345 is a wasteful number, since it uses less digits than its factorization.

61248345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083231.

The product of its digits is 23040, while the sum is 33.

The square root of 61248345 is about 7826.1321864635. The cubic root of 61248345 is about 394.1832077609.

The spelling of 61248345 in words is "sixty-one million, two hundred forty-eight thousand, three hundred forty-five".

Divisors: 1 3 5 15 4083223 12249669 20416115 61248345