Search a number
-
+
148455920 = 2456727697
BaseRepresentation
bin10001101100101…
…00000111110000
3101100100100020102
420312110013300
5301001042140
622421531532
73451566044
oct1066240760
9340310212
10148455920
1176888148
1241873ba8
13249ab152
1415a06024
15d076e15
hex8d941f0

148455920 has 40 divisors (see below), whose sum is σ = 350324304. Its totient is φ = 58493952.

The previous prime is 148455919. The next prime is 148455941. The reversal of 148455920 is 29554841.

It is a tau number, because it is divible by the number of its divisors (40).

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, 8489 + ... + 19208.

Almost surely, 2148455920 is an apocalyptic number.

148455920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148455920 is an abundant number, since it is smaller than the sum of its proper divisors (201868384).

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

148455920 is a wasteful number, since it uses less digits than its factorization.

148455920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27777 (or 27771 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 148455920 is about 12184.2488484108. The cubic root of 148455920 is about 529.4998485633.

The spelling of 148455920 in words is "one hundred forty-eight million, four hundred fifty-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 67 80 134 268 335 536 670 1072 1340 2680 5360 27697 55394 110788 138485 221576 276970 443152 553940 1107880 1855699 2215760 3711398 7422796 9278495 14845592 18556990 29691184 37113980 74227960 148455920