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70016072 = 2376718661
BaseRepresentation
bin1000010110001…
…01110001001000
311212202011222212
410023011301020
5120411003242
610540404252
71510061330
oct413056110
9155664885
1070016072
1136582125
121b546688
1311675c39
1494280c0
156230782
hex42c5c48

70016072 has 32 divisors (see below), whose sum is σ = 152281920. Its totient is φ = 29557440.

The previous prime is 70016059. The next prime is 70016077. The reversal of 70016072 is 27061007.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70016077) 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, 5579 + ... + 13082.

It is an arithmetic number, because the mean of its divisors is an integer number (4758810).

Almost surely, 270016072 is an apocalyptic number.

It is an amenable number.

70016072 is an abundant number, since it is smaller than the sum of its proper divisors (82265848).

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

70016072 is a wasteful number, since it uses less digits than its factorization.

70016072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18741 (or 18737 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 70016072 is about 8367.5606959257. The cubic root of 70016072 is about 412.1600691373.

Adding to 70016072 its reverse (27061007), we get a palindrome (97077079).

The spelling of 70016072 in words is "seventy million, sixteen thousand, seventy-two".

Divisors: 1 2 4 7 8 14 28 56 67 134 268 469 536 938 1876 3752 18661 37322 74644 130627 149288 261254 522508 1045016 1250287 2500574 5001148 8752009 10002296 17504018 35008036 70016072