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70004772 = 22321944577
BaseRepresentation
bin1000010110000…
…11000000100100
311212201121111100
410023003000210
5120410123042
610540240100
71510013355
oct413030044
9155647440
1070004772
1136574692
121b540030
1311670a56
149423d2c
15622c24c
hex42c3024

70004772 has 18 divisors (see below), whose sum is σ = 176956598. Its totient is φ = 23334912.

The previous prime is 70004741. The next prime is 70004783. The reversal of 70004772 is 27740007.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 55442916 + 14561856 = 7446^2 + 3816^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 972253 + ... + 972324.

Almost surely, 270004772 is an apocalyptic number.

It is an amenable number.

70004772 is an abundant number, since it is smaller than the sum of its proper divisors (106951826).

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

70004772 is a wasteful number, since it uses less digits than its factorization.

70004772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944587 (or 1944582 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 70004772 is about 8366.8854420268. The cubic root of 70004772 is about 412.1378948983.

Adding to 70004772 its reverse (27740007), we get a palindrome (97744779).

The spelling of 70004772 in words is "seventy million, four thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 1944577 3889154 5833731 7778308 11667462 17501193 23334924 35002386 70004772