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61329074 = 2199671669
BaseRepresentation
bin1110100111110…
…0111010110010
311021101211200012
43221330322302
5111200012244
610030254522
71343200652
oct351747262
9137354605
1061329074
1131689494
1218657442
13c923bc1
148206362
1555b689e
hex3a7ceb2

61329074 has 16 divisors (see below), whose sum is σ = 96993600. Its totient is φ = 29003184.

The previous prime is 61329029. The next prime is 61329077. The reversal of 61329074 is 47092316.

It is a super-2 number, since 2×613290742 = 7522510635394952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61329074.

It is not an unprimeable number, because it can be changed into a prime (61329077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35912 + ... + 37580.

It is an arithmetic number, because the mean of its divisors is an integer number (6062100).

Almost surely, 261329074 is an apocalyptic number.

61329074 is a deficient number, since it is larger than the sum of its proper divisors (35664526).

61329074 is a wasteful number, since it uses less digits than its factorization.

61329074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 61329074 is about 7831.2881443604. The cubic root of 61329074 is about 394.3563174468.

The spelling of 61329074 in words is "sixty-one million, three hundred twenty-nine thousand, seventy-four".

Divisors: 1 2 19 38 967 1669 1934 3338 18373 31711 36746 63422 1613923 3227846 30664537 61329074