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47121484 = 2217692963
BaseRepresentation
bin1011001111000…
…0010001001100
310021200000112011
42303300101030
544030341414
64401551004
71111345264
oct263602114
9107600464
1047121484
1124665083
1213945464
1399bb147
1463887a4
15420bdc4
hex2cf044c

47121484 has 12 divisors (see below), whose sum is σ = 87313464. Its totient is φ = 22174784.

The previous prime is 47121469. The next prime is 47121499. The reversal of 47121484 is 48412174.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47121469) and next prime (47121499).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346414 + ... + 346549.

It is an arithmetic number, because the mean of its divisors is an integer number (7276122).

Almost surely, 247121484 is an apocalyptic number.

It is an amenable number.

47121484 is a deficient number, since it is larger than the sum of its proper divisors (40191980).

47121484 is a wasteful number, since it uses less digits than its factorization.

47121484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692984 (or 692982 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 47121484 is about 6864.5090137606. The cubic root of 47121484 is about 361.1932728621.

The spelling of 47121484 in words is "forty-seven million, one hundred twenty-one thousand, four hundred eighty-four".

Divisors: 1 2 4 17 34 68 692963 1385926 2771852 11780371 23560742 47121484