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30425424 = 2434314741
BaseRepresentation
bin111010000010…
…0000101010000
32010020202211120
41310010011100
530242103144
63004042240
7516416601
oct164040520
963222746
1030425424
11161a1087
12a233380
1363c3813
14407dda8
152a0ee19
hex1d04150

30425424 has 40 divisors (see below), whose sum is σ = 80432352. Its totient is φ = 9905280.

The previous prime is 30425419. The next prime is 30425429. The reversal of 30425424 is 42452403.

It is an interprime number because it is at equal distance from previous prime (30425419) and next prime (30425429).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 30425394 and 30425403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30425429) 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, 5307 + ... + 9434.

Almost surely, 230425424 is an apocalyptic number.

It is an amenable number.

30425424 is an abundant number, since it is smaller than the sum of its proper divisors (50006928).

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

30425424 is a wasteful number, since it uses less digits than its factorization.

30425424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14795 (or 14789 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 30425424 is about 5515.9245825156. The cubic root of 30425424 is about 312.1851301021.

Adding to 30425424 its reverse (42452403), we get a palindrome (72877827).

The spelling of 30425424 in words is "thirty million, four hundred twenty-five thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 43 48 86 129 172 258 344 516 688 1032 2064 14741 29482 44223 58964 88446 117928 176892 235856 353784 633863 707568 1267726 1901589 2535452 3803178 5070904 7606356 10141808 15212712 30425424