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151946140 = 2258985363
BaseRepresentation
bin10010000111010…
…00001110011100
3101120220122220211
421003220032130
5302344234030
623024422204
73523343443
oct1103501634
9346818824
10151946140
1178851425
1242a77964
1325630978
1416273d5a
15d51612a
hex90e839c

151946140 has 24 divisors (see below), whose sum is σ = 322675920. Its totient is φ = 60094848.

The previous prime is 151946131. The next prime is 151946141. The reversal of 151946140 is 41649151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151946141) 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, 40902 + ... + 44461.

It is an arithmetic number, because the mean of its divisors is an integer number (13444830).

Almost surely, 2151946140 is an apocalyptic number.

151946140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151946140 is an abundant number, since it is smaller than the sum of its proper divisors (170729780).

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

151946140 is a wasteful number, since it uses less digits than its factorization.

151946140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85461 (or 85459 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 151946140 is about 12326.6435009698. The cubic root of 151946140 is about 533.6172871604.

The spelling of 151946140 in words is "one hundred fifty-one million, nine hundred forty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 85363 170726 341452 426815 853630 1707260 7597307 15194614 30389228 37986535 75973070 151946140