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42046977 = 3710691873
BaseRepresentation
bin1010000001100…
…1011000000001
32221010012121110
42200121120001
541231000402
64101113533
71020251640
oct240313001
987105543
1042046977
1121809575
12120b88a9
13893248b
145827357
153a5856c
hex2819601

42046977 has 16 divisors (see below), whose sum is σ = 64165760. Its totient is φ = 23991552.

The previous prime is 42046957. The next prime is 42046987. The reversal of 42046977 is 77964024.

It is not a de Polignac number, because 42046977 - 210 = 42045953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42046937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21513 + ... + 23385.

It is an arithmetic number, because the mean of its divisors is an integer number (4010360).

Almost surely, 242046977 is an apocalyptic number.

It is an amenable number.

42046977 is a deficient number, since it is larger than the sum of its proper divisors (22118783).

42046977 is a wasteful number, since it uses less digits than its factorization.

42046977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 42046977 is about 6484.3640397498. The cubic root of 42046977 is about 347.7322140603.

The spelling of 42046977 in words is "forty-two million, forty-six thousand, nine hundred seventy-seven".

Divisors: 1 3 7 21 1069 1873 3207 5619 7483 13111 22449 39333 2002237 6006711 14015659 42046977