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250155030 = 23510497949
BaseRepresentation
bin11101110100100…
…01000000010110
3122102201012012010
432322101000112
51003014430110
640453405050
76125165646
oct1672210026
9572635163
10250155030
1111922a1a4
126b939786
133ca98138
142531a526
1516e65020
hexee91016

250155030 has 32 divisors (see below), whose sum is σ = 601020000. Its totient is φ = 66636032.

The previous prime is 250155029. The next prime is 250155041. The reversal of 250155030 is 30551052.

250155030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 250154988 and 250155006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27496 + ... + 35444.

It is an arithmetic number, because the mean of its divisors is an integer number (18781875).

Almost surely, 2250155030 is an apocalyptic number.

250155030 is an abundant number, since it is smaller than the sum of its proper divisors (350864970).

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

250155030 is a wasteful number, since it uses less digits than its factorization.

250155030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 250155030 is about 15816.2900201027. The cubic root of 250155030 is about 630.0907150802.

The spelling of 250155030 in words is "two hundred fifty million, one hundred fifty-five thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1049 2098 3147 5245 6294 7949 10490 15735 15898 23847 31470 39745 47694 79490 119235 238470 8338501 16677002 25015503 41692505 50031006 83385010 125077515 250155030