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331482481 = 1154175563
BaseRepresentation
bin10011110000100…
…000010101110001
3212002202001110221
4103300200111301
51134324414411
652520453041
711133361141
oct2360402561
9762661427
10331482481
11160127770
129301a181
13538a17a5
143204a921
151e17c071
hex13c20571

331482481 has 8 divisors (see below), whose sum is σ = 361749024. Its totient is φ = 301237920.

The previous prime is 331482443. The next prime is 331482491. The reversal of 331482481 is 184284133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-331482481 is a prime.

It is a super-2 number, since 2×3314824812 = 219761270419830722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331482491) 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, 56806 + ... + 62368.

It is an arithmetic number, because the mean of its divisors is an integer number (45218628).

Almost surely, 2331482481 is an apocalyptic number.

It is an amenable number.

331482481 is a deficient number, since it is larger than the sum of its proper divisors (30266543).

331482481 is a wasteful number, since it uses less digits than its factorization.

331482481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10991.

The product of its digits is 18432, while the sum is 34.

The square root of 331482481 is about 18206.6603472466. The cubic root of 331482481 is about 692.0755824479.

The spelling of 331482481 in words is "three hundred thirty-one million, four hundred eighty-two thousand, four hundred eighty-one".

Divisors: 1 11 5417 5563 59587 61193 30134771 331482481