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54570745 = 537973041
BaseRepresentation
bin1101000000101…
…0111011111001
310210200110222201
43100022323321
5102432230440
65225350201
71231562245
oct320127371
9123613881
1054570745
1128892899
1216338361
13b3c89a8
147367425
154bce19a
hex340aef9

54570745 has 16 divisors (see below), whose sum is σ = 67970448. Its totient is φ = 42024960.

The previous prime is 54570709. The next prime is 54570781. The reversal of 54570745 is 54707545.

It is an interprime number because it is at equal distance from previous prime (54570709) and next prime (54570781).

It can be written as a sum of positive squares in 8 ways, for example, as 10374841 + 44195904 = 3221^2 + 6648^2 .

It is not a de Polignac number, because 54570745 - 213 = 54562553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16425 + ... + 19465.

It is an arithmetic number, because the mean of its divisors is an integer number (4248153).

Almost surely, 254570745 is an apocalyptic number.

It is an amenable number.

54570745 is a deficient number, since it is larger than the sum of its proper divisors (13399703).

54570745 is a wasteful number, since it uses less digits than its factorization.

54570745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 54570745 is about 7387.2014322069. The cubic root of 54570745 is about 379.3033056360.

The spelling of 54570745 in words is "fifty-four million, five hundred seventy thousand, seven hundred forty-five".

Divisors: 1 5 37 97 185 485 3041 3589 15205 17945 112517 294977 562585 1474885 10914149 54570745