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53350690 = 25311131523
BaseRepresentation
bin1100101110000…
…1000100100010
310201101111101111
43023201010202
5102124210230
65143253534
71215321241
oct313410442
9121344344
1053350690
112812a188
1215a4a2aa
13b08c573
14712a958
154a3c92a
hex32e1122

53350690 has 32 divisors (see below), whose sum is σ = 100071936. Its totient is φ = 20455680.

The previous prime is 53350681. The next prime is 53350697. The reversal of 53350690 is 9605335.

It is a super-2 number, since 2×533506902 = 5692592246952200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (53350697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34269 + ... + 35791.

It is an arithmetic number, because the mean of its divisors is an integer number (3127248).

Almost surely, 253350690 is an apocalyptic number.

53350690 is a deficient number, since it is larger than the sum of its proper divisors (46721246).

53350690 is a wasteful number, since it uses less digits than its factorization.

53350690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 53350690 is about 7304.1556664682. The cubic root of 53350690 is about 376.4552402454.

The spelling of 53350690 in words is "fifty-three million, three hundred fifty thousand, six hundred ninety".

Divisors: 1 2 5 10 31 62 113 155 226 310 565 1130 1523 3046 3503 7006 7615 15230 17515 35030 47213 94426 172099 236065 344198 472130 860495 1720990 5335069 10670138 26675345 53350690