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53953970 = 257770771
BaseRepresentation
bin1100110111010…
…0010110110010
310202112010221012
43031310112302
5102303011340
65204230522
71223413130
oct315642662
9122463835
1053953970
1128501464
121609b442
13b241035
147246750
154b0b565
hex33745b2

53953970 has 16 divisors (see below), whose sum is σ = 110991168. Its totient is φ = 18498480.

The previous prime is 53953957. The next prime is 53953973. The reversal of 53953970 is 7935935.

It is a super-2 number, since 2×539539702 = 5822061757521800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53953973) 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, 385316 + ... + 385455.

It is an arithmetic number, because the mean of its divisors is an integer number (6936948).

Almost surely, 253953970 is an apocalyptic number.

53953970 is an abundant number, since it is smaller than the sum of its proper divisors (57037198).

53953970 is a wasteful number, since it uses less digits than its factorization.

53953970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770785.

The product of its (nonzero) digits is 127575, while the sum is 41.

The square root of 53953970 is about 7345.3366158400. The cubic root of 53953970 is about 377.8688878352.

The spelling of 53953970 in words is "fifty-three million, nine hundred fifty-three thousand, nine hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 770771 1541542 3853855 5395397 7707710 10790794 26976985 53953970