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42470756 = 2243246923
BaseRepresentation
bin1010001000000…
…0110101100100
32221220201220222
42202000311210
541333031011
64114143512
71023665306
oct242006544
987821828
1042470756
1121a789a9
1212281b98
138a50333
1458d7976
153addddb
hex2880d64

42470756 has 12 divisors (see below), whose sum is σ = 76052592. Its totient is φ = 20741448.

The previous prime is 42470723. The next prime is 42470759. The reversal of 42470756 is 65707424.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42470759) 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, 123290 + ... + 123633.

It is an arithmetic number, because the mean of its divisors is an integer number (6337716).

Almost surely, 242470756 is an apocalyptic number.

It is an amenable number.

42470756 is a deficient number, since it is larger than the sum of its proper divisors (33581836).

42470756 is a wasteful number, since it uses less digits than its factorization.

42470756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246970 (or 246968 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 42470756 is about 6516.9591068228. The cubic root of 42470756 is about 348.8965410636.

The spelling of 42470756 in words is "forty-two million, four hundred seventy thousand, seven hundred fifty-six".

Divisors: 1 2 4 43 86 172 246923 493846 987692 10617689 21235378 42470756