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3025145140 = 225672257571
BaseRepresentation
bin1011010001010000…
…0000110100110100
321210211100021222121
42310110000310310
522143414121030
61220103205324
7134652211063
oct26424006464
97724307877
103025145140
111312685356
12705146844
13392979814
14209ab01da
1512a8ae47a
hexb4500d34

3025145140 has 24 divisors (see below), whose sum is σ = 6447625632. Its totient is φ = 1191996960.

The previous prime is 3025145099. The next prime is 3025145143. The reversal of 3025145140 is 415415203.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3025145143) 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, 1127446 + ... + 1130125.

It is an arithmetic number, because the mean of its divisors is an integer number (268651068).

Almost surely, 23025145140 is an apocalyptic number.

It is an amenable number.

3025145140 is an abundant number, since it is smaller than the sum of its proper divisors (3422480492).

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

3025145140 is a wasteful number, since it uses less digits than its factorization.

3025145140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257647 (or 2257645 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3025145140 is about 55001.3194387189. The cubic root of 3025145140 is about 1446.2678718651.

The spelling of 3025145140 in words is "three billion, twenty-five million, one hundred forty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 2257571 4515142 9030284 11287855 22575710 45151420 151257257 302514514 605029028 756286285 1512572570 3025145140