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30050136 = 2333139121
BaseRepresentation
bin111001010100…
…0011101011000
32002112201001000
41302220131120
530143101021
62552025000
7513264504
oct162503530
962481030
1030050136
1115a65126
12a092160
1362c1a5c
143dc3304
152988b26
hex1ca8758

30050136 has 32 divisors (see below), whose sum is σ = 83473200. Its totient is φ = 10016640.

The previous prime is 30050107. The next prime is 30050143. The reversal of 30050136 is 63105003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69345 + ... + 69776.

Almost surely, 230050136 is an apocalyptic number.

30050136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30050136 is an abundant number, since it is smaller than the sum of its proper divisors (53423064).

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

30050136 is a wasteful number, since it uses less digits than its factorization.

30050136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139136 (or 139126 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 30050136 is about 5481.8004341639. The cubic root of 30050136 is about 310.8962478256.

Adding to 30050136 its reverse (63105003), we get a palindrome (93155139).

The spelling of 30050136 in words is "thirty million, fifty thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 139121 278242 417363 556484 834726 1112968 1252089 1669452 2504178 3338904 3756267 5008356 7512534 10016712 15025068 30050136