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70467920 = 2456713147
BaseRepresentation
bin1000011001101…
…00000101010000
311220121010210222
410030310011100
5121014433140
610554212212
71513652555
oct414640520
9156533728
1070467920
1136860656
121b724068
13117a37c3
149504a2c
1562be5b5
hex4334150

70467920 has 40 divisors (see below), whose sum is σ = 166295904. Its totient is φ = 27764352.

The previous prime is 70467919. The next prime is 70467923. The reversal of 70467920 is 2976407.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70467923) 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, 1214 + ... + 11933.

Almost surely, 270467920 is an apocalyptic number.

It is an amenable number.

70467920 is an abundant number, since it is smaller than the sum of its proper divisors (95827984).

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

70467920 is a wasteful number, since it uses less digits than its factorization.

70467920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13227 (or 13221 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 70467920 is about 8394.5172583062. The cubic root of 70467920 is about 413.0447922621.

The spelling of 70467920 in words is "seventy million, four hundred sixty-seven thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 67 80 134 268 335 536 670 1072 1340 2680 5360 13147 26294 52588 65735 105176 131470 210352 262940 525880 880849 1051760 1761698 3523396 4404245 7046792 8808490 14093584 17616980 35233960 70467920