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53415030 = 2354347881
BaseRepresentation
bin1100101111000…
…0110001110110
310201111202122110
43023300301312
5102133240110
65144511450
71216006644
oct313606166
9121452573
1053415030
1128173559
1215a7b586
13b0b2936
147146194
154a51a20
hex32f0c76

53415030 has 64 divisors (see below), whose sum is σ = 134120448. Its totient is φ = 13601280.

The previous prime is 53415007. The next prime is 53415053. The reversal of 53415030 is 3051435.

It is an interprime number because it is at equal distance from previous prime (53415007) and next prime (53415053).

It is a junction number, because it is equal to n+sod(n) for n = 53414988 and 53415006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60190 + ... + 61070.

It is an arithmetic number, because the mean of its divisors is an integer number (2095632).

Almost surely, 253415030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53415030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67060224).

53415030 is an abundant number, since it is smaller than the sum of its proper divisors (80705418).

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

53415030 is a wasteful number, since it uses less digits than its factorization.

53415030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53415030 is about 7308.5586814364. The cubic root of 53415030 is about 376.6065122653.

Adding to 53415030 its reverse (3051435), we get a palindrome (56466465).

The spelling of 53415030 in words is "fifty-three million, four hundred fifteen thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 43 47 86 94 129 141 215 235 258 282 430 470 645 705 881 1290 1410 1762 2021 2643 4042 4405 5286 6063 8810 10105 12126 13215 20210 26430 30315 37883 41407 60630 75766 82814 113649 124221 189415 207035 227298 248442 378830 414070 568245 621105 1136490 1242210 1780501 3561002 5341503 8902505 10683006 17805010 26707515 53415030