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29980602 = 2327123459
BaseRepresentation
bin111001001011…
…1011110111010
32002102011122200
41302113132322
530133334402
62550331030
7512555001
oct162273672
962364580
1029980602
1115a17963
12a059a76
136299202
143da5c38
15297321c
hex1c977ba

29980602 has 24 divisors (see below), whose sum is σ = 65875680. Its totient is φ = 9852360.

The previous prime is 29980591. The next prime is 29980607. The reversal of 29980602 is 20608992.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29980607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10452 + ... + 13007.

It is an arithmetic number, because the mean of its divisors is an integer number (2744820).

Almost surely, 229980602 is an apocalyptic number.

29980602 is an abundant number, since it is smaller than the sum of its proper divisors (35895078).

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

29980602 is a wasteful number, since it uses less digits than its factorization.

29980602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23538 (or 23535 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 29980602 is about 5475.4545016829. The cubic root of 29980602 is about 310.6562649377.

The spelling of 29980602 in words is "twenty-nine million, nine hundred eighty thousand, six hundred two".

Divisors: 1 2 3 6 9 18 71 142 213 426 639 1278 23459 46918 70377 140754 211131 422262 1665589 3331178 4996767 9993534 14990301 29980602