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47075076 = 22321307641
BaseRepresentation
bin1011001110010…
…0111100000100
310021120122212100
42303210330010
544022400301
64400552100
71111063056
oct263447404
9107518770
1047075076
1124633224
1213922630
1399a2c99
1463758d6
1541ed286
hex2ce4f04

47075076 has 18 divisors (see below), whose sum is σ = 118995422. Its totient is φ = 15691680.

The previous prime is 47075053. The next prime is 47075101. The reversal of 47075076 is 67057074.

It can be written as a sum of positive squares in only one way, i.e., 40449600 + 6625476 = 6360^2 + 2574^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1307641 = 47075076 / (4 + 7 + 0 + 7 + 5 + 0 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 47075076.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 653785 + ... + 653856.

Almost surely, 247075076 is an apocalyptic number.

It is an amenable number.

47075076 is an abundant number, since it is smaller than the sum of its proper divisors (71920346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47075076 is a wasteful number, since it uses less digits than its factorization.

47075076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307651 (or 1307646 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 47075076 is about 6861.1278956160. The cubic root of 47075076 is about 361.0746591441.

The spelling of 47075076 in words is "forty-seven million, seventy-five thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 1307641 2615282 3922923 5230564 7845846 11768769 15691692 23537538 47075076